1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Internal Medicine
  6. NPI Profile

ISAAC ABUSLEME M.D.
NPI 1891109468
Internal Medicine in Los Angeles, CA

Active since June 11, 2014PECOS EnrolledAccepts Medicare Assignment
4733 W SUNSET BLVD, LOS ANGELES, CA 90027(323) 783-4011 Get Directions Write a Review

NPPES record last updated: December 6, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Isaac Abusleme M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ISAAC ABUSLEME M.D. (NPI 1891109468) is an individual internal medicine provider in Los Angeles, California, licensed in California (A125024) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (2011).

NPPES Registry Identity

NPI1891109468
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameISAAC ABUSLEMECredential: M.D.
Location Address4733 W SUNSET BLVDLos Angeles, CA 90027-6021
Mailing Address4867 W Sunset BlvdLos Angeles, CA 90027-5969
Phone(323) 783-4011
Sole ProprietorNo
Medical School CMSRutgers New Jersey Medical SchoolGraduated 2011
Enumeration DateJune 11, 2014
Last NPPES UpdateDecember 6, 2021
✔ NPI 1891109468 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A125024
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4733 W SUNSET BLVD, Los Angeles, CA 90027
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Isaac Abusleme M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID840518528
PECOS Enrollment IDI20150408002259
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Isaac Abusleme reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
Same address
Health Maintenance Organization
4760 W SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1134151657 (323) 783-4011

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
37 services12 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90027 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$12.16 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier11 claims11 services$55.20 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

YUH-JER SHEN MD
Internal Medicine (Cardiovascular Disease)
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-4011
ADRIAN D. MIREA MD
Psychiatry & Neurology (Psychiatry)
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-4011
TERRE J WATSON OD
Optometrist
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-4011
BRUNO J. LEWIN MD
Family Medicine
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-4011
MICHAEL S. FAN MD
Internal Medicine
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-4011
ARNOLD BARRON MD
Ophthalmology
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-4011
NAITIVICTOR L ONG PA
Physician Assistant
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-4011
CYNTHIA L PLEHN CRNA
Nurse Anesthetist, Certified Registered
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-4011

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Isaac Abusleme's NPI number?

The NPI number for Isaac Abusleme is 1891109468. It was assigned to this individual provider in the NPPES registry on June 11, 2014.

Where is Isaac Abusleme located?

Isaac Abusleme practices at 4733 W Sunset Blvd, Los Angeles, CA 90027. The listed phone number is (323) 783-4011.

What is Isaac Abusleme's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Isaac Abusleme enrolled in Medicare?

Yes. Isaac Abusleme is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Isaac Abusleme's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isaac Abusleme reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Isaac Abusleme's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Isaac Abusleme was last updated on December 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.